Mac marketing corporation provides plastic radial and thrust ball bearings to iso standards dimensions from bore of 7 mm to 60 mm. The outer rings and inner rings of these bearings are made up of polyacetal, polypropylene, polyethelene, petp, teflon, and peek materials. The balls are made from glass, ais1420, ais1304, ais1316, a 1203, boro silicate glass and various types of plastics and cages can be made from nylon, polypropylene, teflon and peek materials. Advantages of the plastic bearings include: chemical stability, corrosion resistance, lubrication and maintenance-free, lightweight and low friction and operational temperature up to 250°c. Applications: instruments, conveyors, air-conditioning, electroplating plants, photo and film processing, chemical industry and textile industry equipment.